IBM 360 User Manual

IBM Internal Use Only
True Function
Line Name
ALD
2075 Processing Unit
Not Manual
+MANUAL MODE
PY061
Wait
-PSW BIT 14 TO INTRPT
RE231
Current PSW Bit 8
- LHPSW 8 TO STG PROT
RG211
Current PSW Bit 9 - LHPSW 9 TO STG PROT RG211
Current PSW Bit 10
- LHPSW 10 TO STG PROT
RG211
Current PSW Bit 11
- LHPSW 11 TO STG PROT
RG221
2860 Seiector Channel
Selector Channel 1 Busy
-OP-I CC111
Selector Channel 2 Busy
-OP-I CC111
Selector Channel 3 Busy
-OP-I
CC111
Service In
-SR-I CC111
Service Out
-SR-0
CC117
I/O Command
-CMD-0 CC117
Bus Out Bit 0
-DATA OUT BUS BIT 0 UB121
Bus Out Bit 1
-DATA OUT BUS BIT 1
UB123
Bus Out Bit 2 -DATA OUT BUS BIT 2 UB125
Bus Out Bit 3 -DATA OUT BUS BIT 3
UB127
Bus Out Bit 4 -DATA OUT BUS BIT 4 UB131
Bus Out Bit 5 -DATA OUT BUS BIT 5
UB133
Bus Out Bit 6
-DATA OUT BUS BIT 6 UB135
Bus Out Bit 7
-DATA OUT BUS BIT 7
UB137
2870 Multiplexer Channel
Mpx Chan Busy
-SSC OR MPLX OP IN
MX 127
2311 Disk Storage Drive
Seeks (Total)
+ACCESS READY
FD020
Seeks (Arm Movements)
+DETENT-IN FD056
Not Module Busy
+MOD SELECT LINE 1
FD060
2314 Direct Access Storage Facility
Seeks (Total)
-FILE BUSY FL/FU053
Seeks (Arm Movements)
+DETENT-IN LATCH
FL/FU053
Upper Module Busy
-MOD SEL (Does not include seek time)
FU021
Lower Module Busy
-MOD SEL (Does not include seek time)
FL021
Appendix A 33

IBM 360 Specifications

General

Brand	IBM
Model	360
Category	Network Hardware
Language	English